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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Bacteria => Proteobacteria => Gammaproteobacteria => Pseudomonadales => Pseudomonadaceae => Pseudomonas =>
Pseudomonas putida (Trevisan 1889) Migula 1895.
Old synonyms: Bacillus fluorescens putidus Flugge 1886, Bacillus putidus Trevisan 1889, Pseudomonas eisenbergi Migula 1900,
Pseudomonas convex Chester 1901, Pseudomonas incognita Chester 1901, Pseudomonas ovalis Chester 1901, Pseudomonas
rugosa (Wright 1895) Chester 1901, Pseudomonas striata Chester 1901.
Subjective synonym: Arthrobacter siderocapsulatus.
Pseudomonas putida (Trevisan 1889) Migula 1895.
Old synonyms: Bacillus fluorescens putidus Flugge 1886, Bacillus putidus Trevisan 1889, Pseudomonas eisenbergi Migula 1900,
Pseudomonas convex Chester 1901, Pseudomonas incognita Chester 1901, Pseudomonas ovalis Chester 1901, Pseudomonas
rugosa (Wright 1895) Chester 1901, Pseudomonas striata Chester 1901.
Subjective synonym: Arthrobacter siderocapsulatus.
Gram negative, 0.7-1.1 / 2-4 μm, motile rods with polar multitrichous flagella. Some
strains may have oval shape.
strains may have oval shape.
Cultures produce diffusible yellow to brown, green fluorescent pigment.
Strictly aerobic (except in media with nitrate), optimal temperature 25-30 ºC. No
growth at 41 ºC. Some strains grow at 4 ºC. Organic growth factors not required.
Grow on media: Trypticase Soy Agar ± 5% sheep blood, Trypticase Soy Broth,
Mueller-Hinton agar.
Strictly aerobic (except in media with nitrate), optimal temperature 25-30 ºC. No
growth at 41 ºC. Some strains grow at 4 ºC. Organic growth factors not required.
Grow on media: Trypticase Soy Agar ± 5% sheep blood, Trypticase Soy Broth,
Mueller-Hinton agar.
Isolated from soil, water & clinical samples (rarely).
Saprophytic or opportunistic pathogen. Septicemia and septic arthritis in immunocompromised patients reported.
- Chun J., Rhee M.S., Han J.I. & Bae K.S.: Arthrobacter siderocapsulatus Dubinina and Zhdanov 1975AL is a later subjective
synonym of Pseudomonas putida (Trevisan 1889) Migula 1895AL. Int. J. Syst. Evol. Microbiol., 2001, 51, 169-170. - Elomari M., Coroloer L., Verhille S., Izard D. & Leclerc H.: Pseudomonas monteilii sp. nov., isolated from clinical specimens.
Int. J. Syst. Bacteriol., 1997, 47, 846-852.
Can use more than 80 different carbon sources.
Cannot utilize trehalose, meso-inositol, geraniol.
Egg-yolk reaction, nitrates reduction, gelatin & starch hydrolysis negative.
Arginine dihydrolase, oxidase, 2-Ketogluconate positive.
Can degrade aromatic compounds like benzene, toluene, ethylbenzenes, nitrotoluenes, chlorobenzenes, chlorophenols etc.
Phenotypically, P. monteilii is almost similar to P. putida but can be differentiated by assimilation of inositol, tartrate, tryptamine,
D-mandelate, acetamide, D-xylose, mannitol & mucate.
Cannot utilize trehalose, meso-inositol, geraniol.
Egg-yolk reaction, nitrates reduction, gelatin & starch hydrolysis negative.
Arginine dihydrolase, oxidase, 2-Ketogluconate positive.
Can degrade aromatic compounds like benzene, toluene, ethylbenzenes, nitrotoluenes, chlorobenzenes, chlorophenols etc.
Phenotypically, P. monteilii is almost similar to P. putida but can be differentiated by assimilation of inositol, tartrate, tryptamine,
D-mandelate, acetamide, D-xylose, mannitol & mucate.
(c) Costin Stoica
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